3 uQh @s2dZddlZddlmZddlZddddZdS)zUtility functions.N) OptionParser)returnc Cstddd}|jdddddd |jd d d dd d |jdddd dd|jdddd!dd|jtj\}}|jrtd|j|jftjdt |jd}|j }WdQRXn$td|jtjdtj j j d}t |tkstt |tjjj||j}tjj|j|j}|j|j}|jr`td|j|jftjdt |jd}|j|WdQRXn&td|jtjdtjj|jddS)"z=Reads a private key and outputs the corresponding public key.zusage: %prog [options]zReads a private key and outputs the corresponding public key. Both private and public keys use the format described in PKCS#1 v1.5)usage descriptionz-iz--input infilenamestringz1Input filename. Reads from stdin if not specified)desttypehelpz-oz--output outfilenamez2Output filename. Writes to stdout of not specifiedz--informinformz!key format of input - default PEMPEMDER)rr choicesdefaultz --outformoutformz"key format of output - default PEMz(Reading private key from %s in %s format)filerbNz+Reading private key from stdin in %s formatasciiz%Writing public key to %s in %s formatwbz)Writing public key to stdout in %s format)r r)r r)r add_option parse_argssysargvrprintr stderropenreadstdinencoder bytesAssertionErrorrsakeyZ PrivateKeyZ load_pkcs1Z PublicKeyneZ save_pkcs1rr writestdoutdecode) parsercliZcli_argsinfileZin_dataZpriv_keyZpub_keyZout_dataoutfiler-'/tmp/pip-build-2nz6shyl/rsa/rsa/util.pyprivate_to_publics`   r/)__doc__roptparserZrsa.keyr"r/r-r-r-r.s